blob: 0f9936a0fdcc3989b4bf2c4b6373e0234437daef (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#include "etherboot.h"
#include "stddef.h"
#include "dev.h"
/* Defined by linker */
extern struct boot_driver boot_drivers[];
extern struct boot_driver boot_drivers_end[];
/* Current attempted boot driver */
static struct boot_driver *boot_driver = boot_drivers;
/* Print all drivers */
void print_drivers ( void ) {
struct boot_driver *driver;
for ( driver = boot_drivers ; driver < boot_drivers_end ; driver++ ) {
printf ( "%s ", driver->name );
}
}
/* Get the next available boot device */
int probe ( struct dev *dev ) {
for ( ; boot_driver < boot_drivers_end ; boot_driver++ ) {
dev->name = "unknown";
if ( boot_driver->probe ( dev ) )
return 1;
}
/* No more boot devices found */
boot_driver = boot_drivers;
return 0;
}
/* Disable a device */
void disable ( struct dev *dev ) {
if ( dev->dev_op ) {
dev->dev_op->disable ( dev );
dev->dev_op = NULL;
}
}
|